Find the least value of n for which the sum 1+2 +2^2+โ€ฆ to n terms is greater than 3000 . (a) 8 (b...

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Find the least value of n for which the sum 1+2 +2^2+โ€ฆ to n terms is greater than 3000 .
(a) 8
(b) 10
(c) 12

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